Filtration material: Quartz sand
       The Quartz sand for media filter is produced in Donghai City of China. Donghai city is a Town of Crystal, famous for its highest quality of crystal which has gained a high rank reputation in the world. The quartz is the mother of crystal. Due to its high content of SiO2, the hardness of the quartz is very high, which makes the life much longer than the common quartz sand for water treatment. The Quartz from Donghai also gained the top quality reputation in China for its high performance.

    

Specification
Origin: Donghai city of China
Content of SiO2: 99.6-99.9%
Soil content: <0.03%
Light material content: <0.02%
Dissolved by HCl: <0.05%
Uniformity coefficient: 1.1

      Analyzed by ROBERT Filter Manufacturing Company for the water treatment application approval in the Power station plant in China.
Tested by State Power Company of China for the water treatment application approval in the Power station plant in China.